.overlay{
  display: none;
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: rgba(255,255,255,0.1);
  z-index: 100000;

  .spinner {
    position: absolute;
    left: 50%;
    top: 40%;
    margin-left: -25px;
    width: 50px;
    height: 30px;
    text-align: center;
    font-size: 10px;
    div {
      background-color: rgba(120, 120, 120, 1);
      height: 100%;
      width: 6px;
      display: inline-block;

      -webkit-animation: stretchdelay 1.2s infinite ease-in-out;
      animation: stretchdelay 1.2s infinite ease-in-out;
    }

    .rect2 {
      -webkit-animation-delay: -1.1s;
      animation-delay: -1.1s;
    }

    .rect3 {
      -webkit-animation-delay: -1.0s;
      animation-delay: -1.0s;
    }

    .rect4 {
      -webkit-animation-delay: -0.9s;
      animation-delay: -0.9s;
    }

    .rect5 {
      -webkit-animation-delay: -0.8s;
      animation-delay: -0.8s;
    }
  }
}

@-webkit-keyframes stretchdelay {
  0%, 40%, 100% { -webkit-transform: scaleY(0.4) }
  20% { -webkit-transform: scaleY(1.0) }
}

@keyframes stretchdelay {
  0%, 40%, 100% {
    transform: scaleY(0.4);
    -webkit-transform: scaleY(0.4);
  }  20% {
    transform: scaleY(1.0);
    -webkit-transform: scaleY(1.0);
  }
}
